Read it carefully..Is this how Chinese Scientists confess sins?By applying for a patent?Before 2020 WIV used Micro-Chem Plus which corrodes stainless steel & HEPA filters, Trust a me!In 2020 WIV filed a patent to solve these issueshttps://t.co/prq3qddfx5h/t @TheSeeker268 https://t.co/G3bLTAdbDm
D.R.A.S.T.I.C. Research
D.R.A.S.T.I.C. Research 